archlinux 中的 core.db 如何打开?

/var/lib/pacman/sync 中的

core.db, extra.db, community.db 等可以使用 tar -zxvf core.db 打开.

每个文件夹中含有两个文件: depends 和 desc

[haifeng@arch sync]$ tar zxvf core.db
acl-2.2.51-2/
acl-2.2.51-2/desc
acl-2.2.51-2/depends
archlinux-keyring-20120915-1/
archlinux-keyring-20120915-1/depends
archlinux-keyring-20120915-1/desc
attr-2.4.46-2/
attr-2.4.46-2/desc
attr-2.4.46-2/depends
autoconf-2.69-1/
autoconf-2.69-1/desc
autoconf-2.69-1/depends
automake-1.12.4-1/
automake-1.12.4-1/depends
automake-1.12.4-1/desc
b43-fwcutter-015-1/
b43-fwcutter-015-1/desc
b43-fwcutter-015-1/depends
bash-4.2.037-1/
bash-4.2.037-1/desc
bash-4.2.037-1/depends
binutils-2.23-1/
binutils-2.23-1/desc
binutils-2.23-1/depends
bison-2.6.4-1/
bison-2.6.4-1/depends
bison-2.6.4-1/desc
bridge-utils-1.5-1/
bridge-utils-1.5-1/desc
bridge-utils-1.5-1/depends
btrfs-progs-0.19.20121005-2/
btrfs-progs-0.19.20121005-2/desc
btrfs-progs-0.19.20121005-2/depends
bzip2-1.0.6-4/
bzip2-1.0.6-4/desc
bzip2-1.0.6-4/depends
ca-certificates-20120623-1/
ca-certificates-20120623-1/desc
ca-certificates-20120623-1/depends
cloog-0.17.0-2/
cloog-0.17.0-2/depends
cloog-0.17.0-2/desc
coreutils-8.20-1/
coreutils-8.20-1/depends
coreutils-8.20-1/desc
cracklib-2.8.19-1/
cracklib-2.8.19-1/depends
cracklib-2.8.19-1/desc
crda-1.1.2-4/
crda-1.1.2-4/depends
crda-1.1.2-4/desc
cronie-1.4.8-3/
cronie-1.4.8-3/depends
cronie-1.4.8-3/desc
cryptsetup-1.5.1-1/
cryptsetup-1.5.1-1/desc
cryptsetup-1.5.1-1/depends
curl-7.28.0-1/
curl-7.28.0-1/depends
curl-7.28.0-1/desc
dash-0.5.7-2/
dash-0.5.7-2/depends
dash-0.5.7-2/desc
db-5.3.21-1/
db-5.3.21-1/depends
db-5.3.21-1/desc
dbus-core-1.6.8-1/
dbus-core-1.6.8-1/depends
dbus-core-1.6.8-1/desc
device-mapper-2.02.98-1/
device-mapper-2.02.98-1/desc
device-mapper-2.02.98-1/depends
dhcpcd-5.6.2-1/
dhcpcd-5.6.2-1/desc
dhcpcd-5.6.2-1/depends
dialog-1.1_20120706-1/
dialog-1.1_20120706-1/depends
dialog-1.1_20120706-1/desc
diffutils-3.2-1/
diffutils-3.2-1/depends
diffutils-3.2-1/desc
dirmngr-1.1.0-4/
dirmngr-1.1.0-4/desc
dirmngr-1.1.0-4/depends
dmraid-1.0.0.rc16.3-7/
dmraid-1.0.0.rc16.3-7/desc
dmraid-1.0.0.rc16.3-7/depends
dnssec-anchors-20120422-1/
dnssec-anchors-20120422-1/depends
dnssec-anchors-20120422-1/desc
dnsutils-9.9.2-1/
dnsutils-9.9.2-1/desc
dnsutils-9.9.2-1/depends
e2fsprogs-1.42.6-1/
e2fsprogs-1.42.6-1/desc
e2fsprogs-1.42.6-1/depends
ed-1.6-1/
ed-1.6-1/desc
ed-1.6-1/depends
eventlog-0.2.12-3/
eventlog-0.2.12-3/depends
eventlog-0.2.12-3/desc
expat-2.1.0-1/
expat-2.1.0-1/depends
expat-2.1.0-1/desc
fakeroot-1.18.4-1/
fakeroot-1.18.4-1/depends
fakeroot-1.18.4-1/desc
file-5.11-1/
file-5.11-1/desc
file-5.11-1/depends
filesystem-2012.10-2/
filesystem-2012.10-2/depends
filesystem-2012.10-2/desc
findutils-4.4.2-4/
findutils-4.4.2-4/desc
findutils-4.4.2-4/depends
flex-2.5.37-1/
flex-2.5.37-1/desc
flex-2.5.37-1/depends
gawk-4.0.1-1/
gawk-4.0.1-1/desc
gawk-4.0.1-1/depends
gcc-4.7.2-2/
gcc-4.7.2-2/desc
gcc-4.7.2-2/depends
gcc-ada-4.7.2-2/
gcc-ada-4.7.2-2/desc
gcc-ada-4.7.2-2/depends
gcc-fortran-4.7.2-2/
gcc-fortran-4.7.2-2/desc
gcc-fortran-4.7.2-2/depends
gcc-go-4.7.2-2/
gcc-go-4.7.2-2/desc
gcc-go-4.7.2-2/depends
gcc-libs-4.7.2-2/
gcc-libs-4.7.2-2/desc
gcc-libs-4.7.2-2/depends
gcc-objc-4.7.2-2/
gcc-objc-4.7.2-2/desc
gcc-objc-4.7.2-2/depends
gdbm-1.10-1/
gdbm-1.10-1/depends
gdbm-1.10-1/desc
gettext-0.18.1.1-4/
gettext-0.18.1.1-4/desc
gettext-0.18.1.1-4/depends
glib2-2.34.1-1/
glib2-2.34.1-1/depends
glib2-2.34.1-1/desc
glibc-2.16.0-5/
glibc-2.16.0-5/desc
glibc-2.16.0-5/depends
gmp-5.0.5-1/
gmp-5.0.5-1/depends
gmp-5.0.5-1/desc
gnupg-2.0.19-2/
gnupg-2.0.19-2/desc
gnupg-2.0.19-2/depends
gpgme-1.3.1-4/
gpgme-1.3.1-4/depends
gpgme-1.3.1-4/desc
gpm-1.20.7-1/
gpm-1.20.7-1/depends
gpm-1.20.7-1/desc
grep-2.14-1/
grep-2.14-1/desc
grep-2.14-1/depends
groff-1.21-2/
groff-1.21-2/depends
groff-1.21-2/desc
grub-bios-2.00-1/
grub-bios-2.00-1/desc
grub-bios-2.00-1/depends
grub-common-2.00-1/
grub-common-2.00-1/desc
grub-common-2.00-1/depends
grub-efi-i386-2.00-1/
grub-efi-i386-2.00-1/desc
grub-efi-i386-2.00-1/depends
grub-efi-x86_64-2.00-1/
grub-efi-x86_64-2.00-1/depends
grub-efi-x86_64-2.00-1/desc
gzip-1.5-1/
gzip-1.5-1/desc
gzip-1.5-1/depends
hdparm-9.42-1/
hdparm-9.42-1/desc
hdparm-9.42-1/depends
heirloom-mailx-12.5-3/
heirloom-mailx-12.5-3/depends
heirloom-mailx-12.5-3/desc
hwids-20121022-1/
hwids-20121022-1/depends
hwids-20121022-1/desc
iana-etc-2.30-3/
iana-etc-2.30-3/depends
iana-etc-2.30-3/desc
idnkit-1.0-2/
idnkit-1.0-2/depends
idnkit-1.0-2/desc
ifenslave-1.1.0-7/
ifenslave-1.1.0-7/depends
ifenslave-1.1.0-7/desc
inetutils-1.9.1-4/
inetutils-1.9.1-4/depends
inetutils-1.9.1-4/desc
iproute2-3.6.0-2/
iproute2-3.6.0-2/desc
iproute2-3.6.0-2/depends
iptables-1.4.16.2-1/
iptables-1.4.16.2-1/desc
iptables-1.4.16.2-1/depends
iputils-20121011-1/
iputils-20121011-1/depends
iputils-20121011-1/desc
ipw2100-fw-1.3-7/
ipw2100-fw-1.3-7/depends
ipw2100-fw-1.3-7/desc
ipw2200-fw-3.1-5/
ipw2200-fw-3.1-5/depends
ipw2200-fw-3.1-5/desc
isdn4k-utils-3.25_20120630-1/
isdn4k-utils-3.25_20120630-1/desc
isdn4k-utils-3.25_20120630-1/depends
isl-0.10-1/
isl-0.10-1/depends
isl-0.10-1/desc
iw-3.6-1/
iw-3.6-1/depends
iw-3.6-1/desc
jfsutils-1.1.15-3/
jfsutils-1.1.15-3/desc
jfsutils-1.1.15-3/depends
kbd-1.15.3-3/
kbd-1.15.3-3/desc
kbd-1.15.3-3/depends
keyutils-1.5.5-3/
keyutils-1.5.5-3/depends
keyutils-1.5.5-3/desc
kmod-10-2/
kmod-10-2/desc
kmod-10-2/depends
krb5-1.10.3-1/
krb5-1.10.3-1/desc
krb5-1.10.3-1/depends
ldns-1.6.14-1/
ldns-1.6.14-1/desc
ldns-1.6.14-1/depends
less-451-1/
less-451-1/desc
less-451-1/depends
libarchive-3.0.4-2/
libarchive-3.0.4-2/depends
libarchive-3.0.4-2/desc
libassuan-2.0.3-1/
libassuan-2.0.3-1/depends
libassuan-2.0.3-1/desc
libcap-2.22-3/
libcap-2.22-3/depends
libcap-2.22-3/desc
libedit-20120601_3.0-1/
libedit-20120601_3.0-1/desc
libedit-20120601_3.0-1/depends
libevent-2.0.20-1/
libevent-2.0.20-1/depends
libevent-2.0.20-1/desc
libffi-3.0.11-1/
libffi-3.0.11-1/desc
libffi-3.0.11-1/depends
libgcrypt-1.5.0-3/
libgcrypt-1.5.0-3/depends
libgcrypt-1.5.0-3/desc
libgpg-error-1.10-2/
libgpg-error-1.10-2/depends
libgpg-error-1.10-2/desc
libgssglue-0.4-1/
libgssglue-0.4-1/desc
libgssglue-0.4-1/depends
libksba-1.2.0-2/
libksba-1.2.0-2/desc
libksba-1.2.0-2/depends
libldap-2.4.33-1/
libldap-2.4.33-1/desc
libldap-2.4.33-1/depends
libltdl-2.4.2-7/
libltdl-2.4.2-7/desc
libltdl-2.4.2-7/depends
libmpc-1.0.1-1/
libmpc-1.0.1-1/depends
libmpc-1.0.1-1/desc
libnl-3.2.11-1/
libnl-3.2.11-1/desc
libnl-3.2.11-1/depends
libpcap-1.3.0-1/
libpcap-1.3.0-1/desc
libpcap-1.3.0-1/depends
libpipeline-1.2.2-1/
libpipeline-1.2.2-1/desc
libpipeline-1.2.2-1/depends
librpcsecgss-0.19-7/
librpcsecgss-0.19-7/depends
librpcsecgss-0.19-7/desc
libsasl-2.1.23-9/
libsasl-2.1.23-9/depends
libsasl-2.1.23-9/desc
libssh2-1.4.2-1/
libssh2-1.4.2-1/depends
libssh2-1.4.2-1/desc
libtirpc-0.2.2-2/
libtirpc-0.2.2-2/depends
libtirpc-0.2.2-2/desc
libtool-2.4.2-7/
libtool-2.4.2-7/desc
libtool-2.4.2-7/depends
libusb-compat-0.1.4-2/
libusb-compat-0.1.4-2/depends
libusb-compat-0.1.4-2/desc
libusbx-1.0.14-1/
libusbx-1.0.14-1/desc
libusbx-1.0.14-1/depends
licenses-2.9-1/
licenses-2.9-1/depends
licenses-2.9-1/desc
lilo-23.2-3/
lilo-23.2-3/depends
lilo-23.2-3/desc
links-2.7-1/
links-2.7-1/depends
links-2.7-1/desc
linux-3.6.5-1/
linux-3.6.5-1/depends
linux-3.6.5-1/desc
linux-api-headers-3.6.3-1/
linux-api-headers-3.6.3-1/desc
linux-api-headers-3.6.3-1/depends
linux-atm-2.5.2-2/
linux-atm-2.5.2-2/desc
linux-atm-2.5.2-2/depends
linux-docs-3.6.5-1/
linux-docs-3.6.5-1/depends
linux-docs-3.6.5-1/desc
linux-firmware-20120625-1/
linux-firmware-20120625-1/desc
linux-firmware-20120625-1/depends
linux-headers-3.6.5-1/
linux-headers-3.6.5-1/depends
linux-headers-3.6.5-1/desc
linux-lts-3.0.49-1/
linux-lts-3.0.49-1/depends
linux-lts-3.0.49-1/desc
linux-lts-headers-3.0.49-1/
linux-lts-headers-3.0.49-1/depends
linux-lts-headers-3.0.49-1/desc
logrotate-3.8.2-1/
logrotate-3.8.2-1/desc
logrotate-3.8.2-1/depends
lvm2-2.02.98-1/
lvm2-2.02.98-1/desc
lvm2-2.02.98-1/depends
lzo2-2.06-1/
lzo2-2.06-1/desc
lzo2-2.06-1/depends
m4-1.4.16-2/
m4-1.4.16-2/depends
m4-1.4.16-2/desc
make-3.82-5/
make-3.82-5/depends
make-3.82-5/desc
man-db-2.6.3-1/
man-db-2.6.3-1/desc
man-db-2.6.3-1/depends
man-pages-3.43-1/
man-pages-3.43-1/desc
man-pages-3.43-1/depends
mdadm-3.2.6-1/
mdadm-3.2.6-1/depends
mdadm-3.2.6-1/desc
mkinitcpio-0.11.0-1/
mkinitcpio-0.11.0-1/depends
mkinitcpio-0.11.0-1/desc
mkinitcpio-busybox-1.20.2-1/
mkinitcpio-busybox-1.20.2-1/desc
mkinitcpio-busybox-1.20.2-1/depends
mkinitcpio-nfs-utils-0.3-3/
mkinitcpio-nfs-utils-0.3-3/depends
mkinitcpio-nfs-utils-0.3-3/desc
mlocate-0.26-1/
mlocate-0.26-1/desc
mlocate-0.26-1/depends
mpfr-3.1.1.p2-1/
mpfr-3.1.1.p2-1/desc
mpfr-3.1.1.p2-1/depends
nano-2.2.6-2/
nano-2.2.6-2/desc
nano-2.2.6-2/depends
ncurses-5.9-3/
ncurses-5.9-3/desc
ncurses-5.9-3/depends
netcfg-3.0-1/
netcfg-3.0-1/depends
netcfg-3.0-1/desc
net-tools-1.60.20120804git-2/
net-tools-1.60.20120804git-2/desc
net-tools-1.60.20120804git-2/depends
nfsidmap-0.25-1/
nfsidmap-0.25-1/depends
nfsidmap-0.25-1/desc
nfs-utils-1.2.6-2/
nfs-utils-1.2.6-2/desc
nfs-utils-1.2.6-2/depends
nilfs-utils-2.1.4-1/
nilfs-utils-2.1.4-1/depends
nilfs-utils-2.1.4-1/desc
nss-myhostname-0.3-3/
nss-myhostname-0.3-3/depends
nss-myhostname-0.3-3/desc
openldap-2.4.33-1/
openldap-2.4.33-1/desc
openldap-2.4.33-1/depends
openssh-6.1p1-3/
openssh-6.1p1-3/desc
openssh-6.1p1-3/depends
openssl-1.0.1.c-1/
openssl-1.0.1.c-1/desc
openssl-1.0.1.c-1/depends
openvpn-2.2.2-2/
openvpn-2.2.2-2/depends
openvpn-2.2.2-2/desc
pacman-4.0.3-3/
pacman-4.0.3-3/depends
pacman-4.0.3-3/desc
pacman-mirrorlist-20120908-1/
pacman-mirrorlist-20120908-1/desc
pacman-mirrorlist-20120908-1/depends
pam-1.1.6-1/
pam-1.1.6-1/desc
pam-1.1.6-1/depends
pambase-20120701-1/
pambase-20120701-1/depends
pambase-20120701-1/desc
patch-2.7.1-1/
patch-2.7.1-1/depends
patch-2.7.1-1/desc
pciutils-3.1.10-1/
pciutils-3.1.10-1/depends
pciutils-3.1.10-1/desc
pcmciautils-018-4/
pcmciautils-018-4/depends
pcmciautils-018-4/desc
pcre-8.31-1/
pcre-8.31-1/depends
pcre-8.31-1/desc
perl-5.16.1-2/
perl-5.16.1-2/desc
perl-5.16.1-2/depends
pinentry-0.8.2-1/
pinentry-0.8.2-1/desc
pinentry-0.8.2-1/depends
pkg-config-0.27.1-1/
pkg-config-0.27.1-1/depends
pkg-config-0.27.1-1/desc
popt-1.16-5/
popt-1.16-5/desc
popt-1.16-5/depends
ppl-1.0-1/
ppl-1.0-1/desc
ppl-1.0-1/depends
ppp-2.4.5-5/
ppp-2.4.5-5/desc
ppp-2.4.5-5/depends
pptpclient-1.7.2-4/
pptpclient-1.7.2-4/depends
pptpclient-1.7.2-4/desc
procinfo-ng-2.0.304-3/
procinfo-ng-2.0.304-3/depends
procinfo-ng-2.0.304-3/desc
procps-ng-3.3.5-1/
procps-ng-3.3.5-1/desc
procps-ng-3.3.5-1/depends
psmisc-22.19-1/
psmisc-22.19-1/depends
psmisc-22.19-1/desc
pth-2.0.7-4/
pth-2.0.7-4/depends
pth-2.0.7-4/desc
readline-6.2.004-1/
readline-6.2.004-1/desc
readline-6.2.004-1/depends
reiserfsprogs-3.6.21-4/
reiserfsprogs-3.6.21-4/depends
reiserfsprogs-3.6.21-4/desc
rfkill-0.4-5/
rfkill-0.4-5/depends
rfkill-0.4-5/desc
rpcbind-0.2.0-9/
rpcbind-0.2.0-9/depends
rpcbind-0.2.0-9/desc
rp-pppoe-3.11-1/
rp-pppoe-3.11-1/desc
rp-pppoe-3.11-1/depends
run-parts-4.3.4-1/
run-parts-4.3.4-1/desc
run-parts-4.3.4-1/depends
sdparm-1.07-1/
sdparm-1.07-1/depends
sdparm-1.07-1/desc
sed-4.2.1-4/
sed-4.2.1-4/depends
sed-4.2.1-4/desc
shadow-4.1.5.1-1/
shadow-4.1.5.1-1/depends
shadow-4.1.5.1-1/desc
sudo-1.8.6.p3-1/
sudo-1.8.6.p3-1/desc
sudo-1.8.6.p3-1/depends
sysfsutils-2.1.0-8/
sysfsutils-2.1.0-8/depends
sysfsutils-2.1.0-8/desc
syslinux-4.06-1/
syslinux-4.06-1/depends
syslinux-4.06-1/desc
systemd-195-2/
systemd-195-2/desc
systemd-195-2/depends
systemd-sysvcompat-195-2/
systemd-sysvcompat-195-2/desc
systemd-sysvcompat-195-2/depends
sysvinit-2.88-9/
sysvinit-2.88-9/desc
sysvinit-2.88-9/depends
sysvinit-tools-2.88-9/
sysvinit-tools-2.88-9/desc
sysvinit-tools-2.88-9/depends
tar-1.26-2/
tar-1.26-2/depends
tar-1.26-2/desc
texinfo-4.13a-7/
texinfo-4.13a-7/desc
texinfo-4.13a-7/depends
traceroute-2.0.18-1/
traceroute-2.0.18-1/depends
traceroute-2.0.18-1/desc
tzdata-2012h-1/
tzdata-2012h-1/desc
tzdata-2012h-1/depends
usbutils-006-1/
usbutils-006-1/desc
usbutils-006-1/depends
util-linux-2.22.1-2/
util-linux-2.22.1-2/depends
util-linux-2.22.1-2/desc
vi-1:050325-2/
vi-1:050325-2/depends
vi-1:050325-2/desc
which-2.20-5/
which-2.20-5/depends
which-2.20-5/desc
wireless-regdb-2011.04.28-1/
wireless-regdb-2011.04.28-1/desc
wireless-regdb-2011.04.28-1/depends
wireless_tools-29-7/
wireless_tools-29-7/desc
wireless_tools-29-7/depends
wpa_actiond-1.3-1/
wpa_actiond-1.3-1/desc
wpa_actiond-1.3-1/depends
wpa_supplicant-1.0-2/
wpa_supplicant-1.0-2/desc
wpa_supplicant-1.0-2/depends
xfsprogs-3.1.8-2/
xfsprogs-3.1.8-2/desc
xfsprogs-3.1.8-2/depends
xinetd-2.3.15-2/
xinetd-2.3.15-2/desc
xinetd-2.3.15-2/depends
xz-5.0.4-1/
xz-5.0.4-1/desc
xz-5.0.4-1/depends
zd1211-firmware-1.4-6/
zd1211-firmware-1.4-6/depends
zd1211-firmware-1.4-6/desc
zlib-1.2.7-1/
zlib-1.2.7-1/desc
zlib-1.2.7-1/depends

比如 gcc-4.7.2-2 中的 depends 文件内容是:

%DEPENDS%
gcc-libs=4.7.2-2
binutils>=2.23
libmpc
cloog
ppl

desc 文件中的内容是:

%FILENAME%
gcc-4.7.2-2-x86_64.pkg.tar.xz

%NAME%
gcc

%BASE%
gcc

%VERSION%
4.7.2-2

%DESC%
The GNU Compiler Collection - C and C++ frontends

%GROUPS%
base-devel

%CSIZE%
19253620

%ISIZE%
76378112

%MD5SUM%
0be435dedd6c1da659e90cca08d839a9

%SHA256SUM%
edb7ba4b186b042422384c286c38e925e5fedea8f02439fa2cf938bd3bbc6366

%PGPSIG%
iQEcBAABAgAGBQJQiLL1AAoJEPmf/g/q6Zm9YhQIAKkb5M7WSWI0g2xSHM4pQG+bGHMW8xczjgAPHU1ySofbWeDl87bJakUjFX8W636IgaW0uWwFvKXR66ZDsrWcLFq+vn4TVHNItriAmpu/jERBrf71DraM5cqpWAsraFQHpN4kA4zsEz5JpHKeiebdT43BVTf+sGlQJN60PLbsbFa1KayPbD6TnN26TF0/ju4qwHCw8Bki6AwSlcNyCN0Ol+jNbQUaTL5jUegJOKqbpP82Qtf+R/3wcNA1gRsbpaVQKWCwU6DTKxWJygdNZC9ekUv5iOASWkIOp2v6Y0Bjf3vMlFqCnWaiZol2m8p+00ZZ/uECc4HNxvQlcOs9CcRfmmQ=

%URL%


%LICENSE%
GPL
LGPL
FDL
custom

%ARCH%
x86_64

%BUILDDATE%
1351080744

%PACKAGER%
Allan McRae